Multiply.

A. x12
B. - x12
C. - x7
D. x7


Answer: C

Mathematics

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Use scientific notation to perform the following operations. Leave your answer in scientific notation form.(2 × 108)(5 × 10-5)

A. 1.0 × 103 B. 1.0 × 104 C. 1.0 × 102 D. 0.0

Mathematics

Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 9x -  y + 4z = 20 2x + 4y + 3z = 15 4x - 9y +  z = -9

A. {(-2, 2, 4)} B. ? C. {(2, 1, 2)} D. {(2, 2, 1)}

Mathematics

Determine the most appropriate metric unit to go in the blank. Choose from L, ml, kg, g, and mg.The carton contained 360  of juice.

A. g B. mg C. mL D. L E. kg

Mathematics

For the given function expressed verbally, give a symbolic representation.Surveyors use the "link" as a unit of measure. To convert x links to y inches, multiply x by 7.92. Let y = f(x).

A. f(x) = 7.92x B. f(x) = x/7.92 C. f(x) = x + 7.92 D. f(x) = 7.92/x

Mathematics